C# 解决错误:';定时器';是';System.Windows.Forms.Timer';和';System.Timers.Timer';
我正在尝试创建一个windows窗体应用程序,我想实现一个计时器C# 解决错误:';定时器';是';System.Windows.Forms.Timer';和';System.Timers.Timer';,c#,C#,我正在尝试创建一个windows窗体应用程序,我想实现一个计时器 public void timerStart() { DateTime now = DateTime.Now; DateTime finish = base.taskEndDate; finish = finish.AddHours(_appointmentTime.Hours); //_appointmentTime is a user defined value.
public void timerStart()
{
DateTime now = DateTime.Now;
DateTime finish = base.taskEndDate;
finish = finish.AddHours(_appointmentTime.Hours); //_appointmentTime is a user defined value.
finish = finish.AddMinutes(_appointmentTime.Minutes);
finish = finish.AddMilliseconds(_appointmentTime.Milliseconds);
//Calculating the milliseconds left till task ends.
int daysLeft = finish.Day - now.Day;
int hoursLeft = finish.Hour - now.Hour;
int minsLeft = finish.Minute - now.Minute;
int secLeft = finish.Second - now.Second;
int milLeft = finish.Millisecond - now.Millisecond;
//Preparing to Start the timer.
TimeSpan end = new TimeSpan(daysLeft, hoursLeft, minsLeft, secLeft, minsLeft);
MessageBox.Show(end.ToString());
double x = end.TotalMilliseconds;
System.Timers.Timer _timer = new Timer(x);
}
是我定义方法但收到错误的方式
'Timer' is an ambiguous reference between 'System.Windows.Forms.Timer' and 'System.Timers.Timer'
我不确定如何解决这个错误。一旦计时器结束,我计划制作一个提醒用户的事件。我不希望计时器出现在表单上。您似乎已使用
引用添加了(System.Windows.Forms
和System.Timers
)。因此,请删除一个或完全限定类型名称:
System.Timers.Timer _timer = new System.Timers.Timer(x);
System.Timers.Timer _Timer=新的System.Timers.Timer(x)
计时器不显示在窗体上,它们不可见
还要记住DNF中(三种!)不同类型计时器之间的差异
您可以使用类型别名消除歧义,如下所示:
using System.Timers;
using Timer = System.Timers.Timer;